“You may hate me now, but you’ll thank me later for this. Tomorrow will be better.”

She’s petulant and hurt and he wants to comfort her without coddling her. She’s so much stronger than she gives herself credit for.  To baby her would be a disadvantage and an insult all on its own, so he can’t say the sweet words that she wants to hear. He just promises another day and maybe sometime in the future she’d start hating him less and that’s all he could ever ask for.